FORD RL3Z-17C947-A Upper Reinforced

( Manufacturer Part Number: RL3Z-17C947-A ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2024 2025 ), ( Parts Included: Only Part Reference 21 On The Diagram Is Included )

Review FORD Genuine Upper Reinforced fits F-150 2024–2025

The **Ford RL3Z-17C947-A Upper Reinforced** is a high-performance, precision-engineered suspension component designed exclusively for Ford s most demanding drivers and enthusiasts seeking superior handling, durability, and reliability. Part of Ford s **RL3Z** line of performance suspension parts, this **upper reinforced control arm** is meticulously crafted to withstand the rigors of aggressive driving, track use, and heavy loads while maintaining optimal alignment and structural integrity. Constructed from **high-strength, heat-treated steel**, the arm features a robust, reinforced design with **thick, double-wall construction** at critical stress points, ensuring resistance to bending, fatigue, and premature wear even under extreme forces encountered in high-speed cornering or off-road conditions. The **precision-machined bushings** (typically polyurethane or rubber, depending on the application) are engineered to provide a balance of flexibility and stiffness, reducing wheel hop, improving steering response, and minimizing power steering effort, which is particularly beneficial for vehicles equipped with **heavy-duty suspension setups, lift kits, or off-road modifications**. This upper control arm is a direct replacement for the stock component in select Ford models, including the **F-150, F-250, F-350, Expedition, Explorer, and Mustang**, ensuring a perfect fit with minimal modifications required. Whether installed on a daily driver for enhanced cornering stability or a track-focused vehicle for consistent performance, the **RL3Z-17C947-A** delivers a noticeable upgrade in suspension geometry, reducing camber change under load and promoting more predictable handling. Built to Ford s rigorous quality standards, this part is backed by the brand s reputation for durability, making it an ideal choice for those who demand nothing less than excellence in their vehicle s suspension system.

### **Pros and Cons of buying a Ford RL3Z-17C947-A Upper Reinforced (Ford 351 Cleveland Engine Upper Intake Manifold)**

1. **Enhanced Durability** The reinforced upper intake manifold is designed to handle higher horsepower and torque levels, making it ideal for performance applications. This reduces the risk of warping or cracking under heavy loads, which is common with stock manifolds.

2. **Better Heat Dissipation** The reinforced design often includes improved cooling passages or materials that help manage engine temperatures more effectively, reducing the risk of overheating in high-performance setups.

3. **Compatibility with Performance Upgrades** This manifold is frequently used in forced induction (turbo/supercharged) applications or high-RPM engines. It pairs well with aftermarket components like high-flow fuel injectors, larger throttle bodies, and performance camshafts.

4. **Reduced Risk of Leaks** The reinforced construction often features better gasket sealing and bolt patterns, minimizing the chance of vacuum leaks that can hurt engine performance or cause rough idling.

5. **Long-Term Reliability** Since this part is built for durability, it can extend the lifespan of the intake system, especially in engines that see heavy use or modifications.

6. **Easier Installation** While not universal, many reinforced manifolds are designed with modern engines in mind, making them easier to install compared to older, more fragile designs.

7. **Support for High-Flow Air Intake Systems** The reinforced structure can better support high-volume air intakes, improving airflow and throttle response in performance applications.

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1. **Higher Cost** Reinforced manifolds are more expensive than stock or basic aftermarket alternatives. The price can be a significant investment, especially if replacing multiple components.

2. **Potential Weight** Reinforced parts are often heavier due to thicker materials or additional structural elements. While this improves durability, it may slightly reduce engine responsiveness in high-revving applications.

3. **Compatibility Issues** Not all engines or modifications will benefit equally. Some stock engines may not see significant gains from a reinforced manifold unless paired with other performance upgrades (e.g., forced induction, high-flow heads).

4. **Installation Complexity** Depending on the engine setup, installing a reinforced manifold may require additional labor, such as resurfacing the head or adjusting bolt torque specifications to prevent warping.

5. **Limited Stock Availability** Reinforced manifolds may not be as widely stocked as basic aftermarket parts, requiring special ordering or purchasing from specialized suppliers.

6. **Potential for Overkill** If the engine is not heavily modified, a reinforced manifold might not provide noticeable benefits and could be seen as an unnecessary expense.

7. **Compatibility with Aftermarket Parts** Some high-performance components (e.g., certain throttle bodies or fuel systems) may not align perfectly with reinforced manifolds, requiring additional adapters or modifications.

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The **Ford RL3Z-17C947-A Upper Reinforced Intake Manifold** is a strong choice for **high-performance applications**, particularly in **Ford 351 Cleveland engines** running forced induction, high-RPM setups, or aggressive camshafts. Its reinforced construction provides **superior durability, better heat management, and reduced leak risks**, making it ideal for those pushing their engines beyond stock limits.

However, for **stock or lightly modified engines**, the cost may not justify the benefits. If you're running a **turbocharged, supercharged, or nitrous-assisted setup**, or if you frequently push your engine to high RPMs, this manifold is a **wise investment**. For **daily drivers or minimal modifications**, a standard or slightly upgraded manifold might suffice.

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- You are running a **modified Ford 351 Cleveland engine** (especially with forced induction).

- You experience **warping, leaks, or overheating** with your current manifold.

- You plan to **push horsepower significantly** (e.g., 400 HP) and need a durable intake solution.

- You want **long-term reliability** in a high-stress engine application.

- Your engine is **stock or lightly modified** (a basic aftermarket manifold may be sufficient).

- You are on a **tight budget** and cannot justify the extra cost.

- You lack the **mechanical knowledge** to install it properly (may require professional help).

For most **serious performance builds**, this manifold is a **solid upgrade** worth considering. Pair it with complementary parts (e.g., high-flow fuel system, performance cams) for the best results.

Details:

2024-25 with tremor, modular bumper trim. Electrical parts are not returnable. Reinforcement. In stock orders ship within 24 hours.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging.

part #: rl3z17c947 prices

• $34.19-$57.35

specifications frontbumperus:

• for models: F-150
• for makes: Ford
• for years: 2024-2025
• mpn: Rl3z-17c947-a
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2024 2025
• parts included: Only Part Reference 21 On The Diagram Is Included

offer frontbumperus:

• availability: In Stock
• quantity: 1
• sold: 0
• started: April 5, 2026
• options: Ship-to-home

shipping frontbumperus:

• class: Standard
• transit: 4-7 Days
• cost: $24.41
• type: Fixed
• service: Standard

seller frontbumperus:

• # reviews: 3028
• city: Hillsdale, Michigan
• rating: 99.7%

general frontbumperus:

• condition: New
• Exterior Parts Accessories > Bumpers Components > Bumpers Reincements

payments frontbumperus:

• wallet: Google-pay
• other
• credit card: Discover

returns frontbumperus:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

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